Detachable case attachment rail



FIG. 1 is a perspective view showing the top, front, right side, and a portion of the left side of a detachable case with an attachment rail, according to our new design;

FIG. 2 is a front elevated view of the detachable case with an attachment rail;

FIG. 3 is a top plan view of the detachable case with an attachment rail;

FIG. 4 is a rear elevated view of the detachable case with an attachment rail;

FIG. 5 is a left side elevated view of the detachable case with an attachment rail;

FIG. 6 is a right side elevated view of the detachable case attachment rail;

FIG. 7 is a bottom plan view of the detachable case with an attachment rail;

FIG. 8 is a perspective view of the detachable case showing the detachable case opened approximately to {fraction (3/4)} of a fully opened position and the attachment rail;

FIG. 9 is a perspective view of the detachable case showing the detachable case in the fully opened position, with a central attachment rail positioned approximately at 270 degree from normal;

FIG. 10 is a perspective view of the detachable case showing the detachable case in the fully opened position and showing the central attachment rail in the 90 degree position;

FIG. 11 is a perspective view of the detachable case of FIG. 1, showing the detachable case in the fully opened position and showing the central attachment rail in the fully opened position;

FIG. 12 is an enlarged perspective view of the detachable case showing the central attachment rail in the fully opened position; and,

FIG. 13 is an enlarged perspective view of the detachable case showing the central attachment rail in the closed position. 

The ornamental design for a detachable case attachment rail, as shown and described. 